Activision games (5)
Genres Publishers
Atari 2600

Boxing

Atari 2600

Enduro

Atari 2600

Megamania

Atari 2600

Pitfall!

Atari 2600

River Raid

Here are all the publishers detected on the database:
Nintendo Inc. (14)
Capcom (7)
Acclaim Entertainment (1)
Codemasters (1)
Konami (5)
Tradewest (2)
Jaleco (1)
Midway (1)
Playmates Interactive & Shiny Entertainment (1)
Shiny Entertainment (1)
Namco (4)
Data East Corporation (1)
TAD Corporation (1)
Sega (2)
Taito (2)
Irem Arcade (1)
Technōs Japan (1)
SNK (2)
Nazca Corporation (1)
Atari (2)
Atari, Inc. (10)
Activision (5)
Parker Brothers (1)
Imagic (1)
Coleco (1)
Brøderbund (1)
Sega-Gremlin (1)
id Software (3)
Sierra On-Line (1)
Synapse Software (1)
LucasArts (2)
Titus Interactive (1)
Windmill Software (1)